Question about Kitchen Ranges
Depending on the serial number of your oven, it may be subject to a recall, as stated in the following website:
The issue is with the self-cleaning function, and the heat from it is the problem. I would check with them first, explain your problem, and they may just agree to help you fix your unit.
It sounds, indeed, like the transformer output is bad, but the output needs to be isolated to ensure components in the output aren't pulling it down.
Capacitors are usually just replaced, if suspected, since they can break down under a load, but they can be tested fairly reliably.
Here is some information about TCOs:
Here is how to test the magnetron:
This page explains how to test the various components:
Since you're in a remote area, it would probably be difficut to obtain warranty work, but since you unit may be on the recall list, GE may just elect to help you out and replace it, and maybe they'll just authorize you to swap it out at Home Depot.
Anyway, hope this helps, and good luck in your quest to get it fixed.
Posted on Sep 04, 2010
I cannot see your other experts answers, but the fan has nothing to do with the problem.
If the oven does not heat, but turntable runs, then it is thermal cut off, high voltage diode , capacitor or magnetron.
TCO is easy to test, the tech will just read continuity (Ohms), diode and cap can only be tested with diode and capacitance tester tool. The last tool is integrated in expensive multimeters.
If the cap has continuity, then it must be replaced, as it is shorted, but often the cap is open and faulty. Capacitor must be discharged before testing, it can release heavy discharge.
If the microwave is working but not heating, then the magnetron is not necessariy the faulty part.
Before replacing the magnetron there is need to test the high voltage capacitor,the rectifier diode and the wiring. If all this are fine, then the control board muast also be checked.If turntable is not running check also the door switch.
The diode and capacitors can be tested using a tool with diode tester and cap meter. The capacitor must be allowed discharge before testing, or you risk to get electrocuted. Even if power is off a big electrolytic capacitor like the one on the MW can release a big discharge.Capacitors can get discharged by shorting their two contacts.
Before replacing the magnetron test also the control board.
Replace the magnetron if the checks and all of the high voltage component tests are good, but the unit still does not heat.
All locations, and description of this parts can be located using the diagram here:
Parts and diagrams for your model.
You can also find parts and specific diagrams for most models using the link below:
Where do I find parts and diagrams?
Remember that microwaves are potentially dangerous devices if not repaired properly, the job must be done by a competent person.
A microwave energy leakage test must always be performed after the oven is serviced or repaired.
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Posted on Sep 03, 2010
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Posted on Jan 02, 2017
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